1.

Among the aicd (1) HC -= C - COOH (2) H_(2)C = CH - COOH (3) CH_(3) - CH_(2)- COOH The acidic strength follows the order

Answer»

`3 LT 2 lt 1`
` 3 = 2 lt 1`
` 1 lt 2 lt 3`
`1LT 2 = 3`

Answer :A


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